lsst.afw.geom¶
Using lsst.afw.geom¶
Contributing¶
lsst.afw.geom
is developed at https://github.com/lsst/afw.
You can find Jira issues for this module under the afw component.
Python API reference¶
lsst.afw.geom Package¶
Functions¶
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Generate a SIP WCS header approximating a given |
Compute the transform |
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Extract a SIP matrix from FITS TAN-SIP WCS metadata. |
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Make a SkyWcs object with HEALPix grid projection (HPX). |
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Overloaded function. |
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Overloaded function. |
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Overloaded function. |
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Overloaded function. |
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Read a Transform from a string that was saved using |
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Test if two |
Classes¶
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A Config representing an affine |
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A Config representing a |
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A Config representing a chain of consecutive |
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A Config representing a single |
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A Config representing a radially symmetric |
Members: |
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Config that identifies |
Class Inheritance Diagram¶
digraph inheritanceb5cc23fb53 { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "AffineTransformConfig" [URL="../../../py-api/lsst.afw.geom.AffineTransformConfig.html#lsst.afw.geom.AffineTransformConfig",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="A Config representing an affine ``Transform``."]; "Config" -> "AffineTransformConfig" [arrowsize=0.5,style="setlinewidth(0.5)"]; "BaseCore" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled"]; "pybind11_object" -> "BaseCore" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Config" [URL="../../../py-api/lsst.pex.config.Config.html#lsst.pex.config.Config",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Base class for configuration (*config*) objects."]; "Ellipse" [URL="../../../py-api/lsst.afw.geom.Ellipse.html#lsst.afw.geom.Ellipse",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "pybind11_object" -> "Ellipse" [arrowsize=0.5,style="setlinewidth(0.5)"]; "GenericEndpoint" [URL="../../../py-api/lsst.afw.geom.GenericEndpoint.html#lsst.afw.geom.GenericEndpoint",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "_BaseEndpointGeneric" -> "GenericEndpoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "IdentityTransformConfig" [URL="../../../py-api/lsst.afw.geom.IdentityTransformConfig.html#lsst.afw.geom.IdentityTransformConfig",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="A Config representing a ``Transform`` that does nothing."]; "Config" -> "IdentityTransformConfig" [arrowsize=0.5,style="setlinewidth(0.5)"]; "MultiTransformConfig" [URL="../../../py-api/lsst.afw.geom.MultiTransformConfig.html#lsst.afw.geom.MultiTransformConfig",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="A Config representing a chain of consecutive ``Transforms``."]; "Config" -> "MultiTransformConfig" [arrowsize=0.5,style="setlinewidth(0.5)"]; "OneTransformConfig" [URL="../../../py-api/lsst.afw.geom.OneTransformConfig.html#lsst.afw.geom.OneTransformConfig",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="A Config representing a single ``Transform`` in a compound ``Transform``."]; "Config" -> "OneTransformConfig" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Persistable" [URL="../../../py-api/lsst.afw.table.io.Persistable.html#lsst.afw.table.io.Persistable",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "pybind11_object" -> "Persistable" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Point2Endpoint" [URL="../../../py-api/lsst.afw.geom.Point2Endpoint.html#lsst.afw.geom.Point2Endpoint",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "_BaseVectorEndpointPoint2" -> "Point2Endpoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Polygon" [URL="../../../py-api/lsst.afw.geom.Polygon.html#lsst.afw.geom.Polygon",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Storable" -> "Polygon" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Quadrupole" [URL="../../../py-api/lsst.afw.geom.Quadrupole.html#lsst.afw.geom.Quadrupole",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "BaseCore" -> "Quadrupole" [arrowsize=0.5,style="setlinewidth(0.5)"]; "RadialTransformConfig" [URL="../../../py-api/lsst.afw.geom.RadialTransformConfig.html#lsst.afw.geom.RadialTransformConfig",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="A Config representing a radially symmetric ``Transform``."]; "Config" -> "RadialTransformConfig" [arrowsize=0.5,style="setlinewidth(0.5)"]; "SipApproximation" [URL="../../../py-api/lsst.afw.geom.SipApproximation.html#lsst.afw.geom.SipApproximation",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "pybind11_object" -> "SipApproximation" [arrowsize=0.5,style="setlinewidth(0.5)"]; "SkyWcs" [URL="../../../py-api/lsst.afw.geom.SkyWcs.html#lsst.afw.geom.SkyWcs",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Storable" -> "SkyWcs" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Span" [URL="../../../py-api/lsst.afw.geom.Span.html#lsst.afw.geom.Span",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "pybind11_object" -> "Span" [arrowsize=0.5,style="setlinewidth(0.5)"]; "SpanIterator" [URL="../../../py-api/lsst.afw.geom.SpanIterator.html#lsst.afw.geom.SpanIterator",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "pybind11_object" -> "SpanIterator" [arrowsize=0.5,style="setlinewidth(0.5)"]; "SpanSet" [URL="../../../py-api/lsst.afw.geom.SpanSet.html#lsst.afw.geom.SpanSet",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "pybind11_object" -> "SpanSet" [arrowsize=0.5,style="setlinewidth(0.5)"]; "SpherePointEndpoint" [URL="../../../py-api/lsst.afw.geom.SpherePointEndpoint.html#lsst.afw.geom.SpherePointEndpoint",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "_BaseVectorEndpointSpherePoint" -> "SpherePointEndpoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Stencil" [URL="../../../py-api/lsst.afw.geom.Stencil.html#lsst.afw.geom.Stencil",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Members:"]; "pybind11_object" -> "Stencil" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Storable" [URL="../../../py-api/lsst.afw.typehandling.Storable.html#lsst.afw.typehandling.Storable",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "Storable" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformConfig" [URL="../../../py-api/lsst.afw.geom.TransformConfig.html#lsst.afw.geom.TransformConfig",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Config that identifies ``Transforms`` by keyword."]; "Config" -> "TransformConfig" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformGenericToGeneric" [URL="../../../py-api/lsst.afw.geom.TransformGenericToGeneric.html#lsst.afw.geom.TransformGenericToGeneric",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformGenericToGeneric" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformGenericToPoint2" [URL="../../../py-api/lsst.afw.geom.TransformGenericToPoint2.html#lsst.afw.geom.TransformGenericToPoint2",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformGenericToPoint2" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformGenericToSpherePoint" [URL="../../../py-api/lsst.afw.geom.TransformGenericToSpherePoint.html#lsst.afw.geom.TransformGenericToSpherePoint",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformGenericToSpherePoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformPoint2ToGeneric" [URL="../../../py-api/lsst.afw.geom.TransformPoint2ToGeneric.html#lsst.afw.geom.TransformPoint2ToGeneric",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformPoint2ToGeneric" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformPoint2ToPoint2" [URL="../../../py-api/lsst.afw.geom.TransformPoint2ToPoint2.html#lsst.afw.geom.TransformPoint2ToPoint2",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformPoint2ToPoint2" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformPoint2ToSpherePoint" [URL="../../../py-api/lsst.afw.geom.TransformPoint2ToSpherePoint.html#lsst.afw.geom.TransformPoint2ToSpherePoint",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformPoint2ToSpherePoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformSpherePointToGeneric" [URL="../../../py-api/lsst.afw.geom.TransformSpherePointToGeneric.html#lsst.afw.geom.TransformSpherePointToGeneric",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformSpherePointToGeneric" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformSpherePointToPoint2" [URL="../../../py-api/lsst.afw.geom.TransformSpherePointToPoint2.html#lsst.afw.geom.TransformSpherePointToPoint2",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformSpherePointToPoint2" [arrowsize=0.5,style="setlinewidth(0.5)"]; "TransformSpherePointToSpherePoint" [URL="../../../py-api/lsst.afw.geom.TransformSpherePointToSpherePoint.html#lsst.afw.geom.TransformSpherePointToSpherePoint",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "Persistable" -> "TransformSpherePointToSpherePoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "_BaseEndpointGeneric" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled"]; "pybind11_object" -> "_BaseEndpointGeneric" [arrowsize=0.5,style="setlinewidth(0.5)"]; "_BaseEndpointPoint2" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled"]; "pybind11_object" -> "_BaseEndpointPoint2" [arrowsize=0.5,style="setlinewidth(0.5)"]; "_BaseEndpointSpherePoint" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled"]; "pybind11_object" -> "_BaseEndpointSpherePoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "_BaseVectorEndpointPoint2" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled"]; "_BaseEndpointPoint2" -> "_BaseVectorEndpointPoint2" [arrowsize=0.5,style="setlinewidth(0.5)"]; "_BaseVectorEndpointSpherePoint" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled"]; "_BaseEndpointSpherePoint" -> "_BaseVectorEndpointSpherePoint" [arrowsize=0.5,style="setlinewidth(0.5)"]; "pybind11_object" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled"]; }lsst.afw.geom.testUtils Module¶
Functions¶
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Make an IWC to pixel transform with SIP distortion from FITS-WCS metadata |
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Make a pixel to IWC transform with SIP distortion from FITS-WCS metadata |
Classes¶
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Divide a box into nx by ny sub-boxes that tile the region |